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Title:
METHOD FOR LAYING BRICK IN VICINITY OF TAP HOLE
Document Type and Number:
Japanese Patent JP2002266009
Kind Code:
A
Abstract:

To provide a method for laying bricks, by which molten iron and slag are stably discharged from a plurality of tap holes to be well-balanced, the frequency of tapping is reduced and the life of refractory bricks in the vicinity of the tap holes is prolonged.

The laying part of the bricks in the vicinity of the tap hole is projected to the inside of a blast furnace to be provided with a projecting part and the distance between the center of an opening part of the tap hole in the furnace side surface of the projecting part and the upper end of the furnace side surface of the projecting part is controlled to 0.5 to 1.2 m.


Inventors:
HIROSE SHIGEYUKI
NOUCHI YASUHEI
Application Number:
JP2001067075A
Publication Date:
September 18, 2002
Filing Date:
March 09, 2001
Export Citation:
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Assignee:
KAWASAKI STEEL CO
International Classes:
C21B7/14; C21B7/06; (IPC1-7): C21B7/14; C21B7/06
Domestic Patent References:
JPS4827202Y11973-08-10
JPS4836088Y11973-10-30
Attorney, Agent or Firm:
Eiichi Kobayashi